fix: F-Droid builds won't start

Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>

.gitlab-ci.yml

@@ -108,6 +108,20 @@ build_android_debug:
     - tags
 
 build_android_apk:
+  stage: coverage
+  before_script:
+    - git apply ./scripts/enable-android-google-services.patch
+    - ./scripts/prepare-android-release.sh
+  script: [./scripts/build-android-apk.sh]
+  artifacts:
+    when: on_success
+    paths:
+      - build/android/app-release.apk
+  only:
+    - main
+    - tags
+
+build_android_apk_floss:
   stage: coverage
   before_script: [./scripts/prepare-android-release.sh]
   script: [./scripts/build-android-apk.sh]

android/app/build.gradle

@@ -68,6 +68,10 @@ android {
         }
         release {
             signingConfig signingConfigs.release
+            minifyEnabled false
+            shrinkResources false
+
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
 }
@@ -79,6 +83,9 @@ flutter {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     //implementation 'com.google.firebase:firebase-messaging:19.0.1' // Workaround for https://github.com/microg/android_packages_apps_GmsCore/issues/313#issuecomment-617651698
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
     implementation 'androidx.multidex:multidex:2.0.1'
 }
 

android/app/proguard-rules.pro

@@ -0,0 +1,41 @@
+-optimizationpasses 5
+## Flutter wrapper
+-keep class io.flutter.app.** { *; }
+-keep class io.flutter.plugin.**  { *; }
+-keep class io.flutter.util.**  { *; }
+-keep class io.flutter.view.**  { *; }
+-keep class io.flutter.**  { *; }
+-keep class io.flutter.plugins.**  { *; }
+-dontwarn io.flutter.embedding.**
+
+##---------------Begin: proguard configuration for Gson (Needed for flutter_local_notifications)  ----------
+# Gson uses generic type information stored in a class file when working with fields. Proguard
+# removes such information by default, so configure it to keep all of it.
+-keepattributes Signature
+
+# For using GSON @Expose annotation
+-keepattributes *Annotation*
+
+# Gson specific classes
+-dontwarn sun.misc.**
+
+# Application classes that will be serialized/deserialized over Gson
+-keep class com.google.gson.examples.android.model.** { <fields>; }
+
+# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
+-keep class * extends com.google.gson.TypeAdapter
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer
+
+# Prevent R8 from leaving Data object members always null
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
+-keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
+-keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
+
+##---------------End: proguard configuration for Gson (Needed for flutter_local_notifications)  ----------

pubspec.yaml

@@ -25,7 +25,7 @@ dependencies:
   email_validator: ^2.0.1
   emoji_picker_flutter: ^1.1.2
   encrypt: ^5.0.1
-  #fcm_shared_isolate: ^0.1.0
+  fcm_shared_isolate: ^0.1.0
   file_picker_cross: ^4.6.0
   flutter:
     sdk: flutter

scripts/enable-android-google-services.patch

@@ -11,79 +11,20 @@ index 001fbd72..339b35af 100644
          targetSdkVersion 30
          versionCode flutterVersionCode.toInteger()
          versionName flutterVersionName
-@@ -68,6 +68,10 @@ android {
-         }
-         release {
-             signingConfig signingConfigs.release
-+            minifyEnabled false
-+            shrinkResources false
-+
-+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-         }
-     }
- }
 @@ -78,8 +82,11 @@ flutter {
  
  dependencies {
      implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 -    //implementation 'com.google.firebase:firebase-messaging:19.0.1' // Workaround for https://github.com/microg/android_packages_apps_GmsCore/issues/313#issuecomment-617651698
 +    implementation 'com.google.firebase:firebase-messaging:19.0.1' // Workaround for https://github.com/microg/android_packages_apps_GmsCore/issues/313#issuecomment-617651698
-+    testImplementation 'junit:junit:4.12'
+     testImplementation 'junit:junit:4.12'
-+    androidTestImplementation 'androidx.test:runner:1.1.1'
+     androidTestImplementation 'androidx.test:runner:1.1.1'
-+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
      implementation 'androidx.multidex:multidex:2.0.1'
  }
  
 -//apply plugin: 'com.google.gms.google-services'
 +apply plugin: 'com.google.gms.google-services'
-diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
-new file mode 100644
-index 00000000..40570865
---- /dev/null
-+++ b/android/app/proguard-rules.pro
-@@ -0,0 +1,41 @@
-+-optimizationpasses 5
-+## Flutter wrapper
-+-keep class io.flutter.app.** { *; }
-+-keep class io.flutter.plugin.**  { *; }
-+-keep class io.flutter.util.**  { *; }
-+-keep class io.flutter.view.**  { *; }
-+-keep class io.flutter.**  { *; }
-+-keep class io.flutter.plugins.**  { *; }
-+-dontwarn io.flutter.embedding.**
-+
-+##---------------Begin: proguard configuration for Gson (Needed for flutter_local_notifications)  ----------
-+# Gson uses generic type information stored in a class file when working with fields. Proguard
-+# removes such information by default, so configure it to keep all of it.
-+-keepattributes Signature
-+
-+# For using GSON @Expose annotation
-+-keepattributes *Annotation*
-+
-+# Gson specific classes
-+-dontwarn sun.misc.**
-+
-+# Application classes that will be serialized/deserialized over Gson
-+-keep class com.google.gson.examples.android.model.** { <fields>; }
-+
-+# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
-+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
-+-keep class * extends com.google.gson.TypeAdapter
-+-keep class * implements com.google.gson.TypeAdapterFactory
-+-keep class * implements com.google.gson.JsonSerializer
-+-keep class * implements com.google.gson.JsonDeserializer
-+
-+# Prevent R8 from leaving Data object members always null
-+-keepclassmembers,allowobfuscation class * {
-+  @com.google.gson.annotations.SerializedName <fields>;
-+}
-+
-+# Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
-+-keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
-+-keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
-+
-+##---------------End: proguard configuration for Gson (Needed for flutter_local_notifications)  ----------
-\ No newline at end of file
 diff --git a/android/app/src/main/kotlin/chat/fluffy/fluffychat/FcmPushService.kt b/android/app/src/main/kotlin/chat/fluffy/fluffychat/FcmPushService.kt
 index d9930f55..510e9845 100644
 --- a/android/app/src/main/kotlin/chat/fluffy/fluffychat/FcmPushService.kt

scripts/prepare-android-release.sh

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-git apply ./scripts/enable-android-google-services.patch
 cd android
 echo $FDROID_KEY | base64 --decode --ignore-garbage > key.jks
 echo "storePassword=${FDROID_KEY_PASS}" >> key.properties